#1C2D79#1C2D79

#1C2D79 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.131 H 268.6°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D79
RGB	rgb(28, 45, 121)
HSL	hsl(229, 62%, 29%)
HSV	hsv(229, 77%, 47%)
CMYK	cmyk(76.9%, 62.8%, 0%, 52.5%)
CIE-LAB	lab(21.96, 22.07, -45.34)
CIE-LCH	lch(21.96, 50.42, 295.95°)
OKLab	oklab(33.57% -0.0033 -0.1309)
OKLCH	oklch(33.57% 0.131 268.6)
XYZ	xyz(4.8673, 3.5036, 18.5052)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D79 #79681C

analogous

#1C5C79 #1C2D79 #3A1C79

triadic

#1C2D79 #791C2D #2D791C

tetradic

#1C2D79 #791C5C #79681C #1C793A

square

#1C2D79 #791C5C #79681C #1C793A

split-complementary

#1C2D79 #793A1C #5C791C

monochromatic

#060919 #101B47 #1C2D79 #283FAB #3D58D2

Accessibility & contrast

On white

12.35

#1C2D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C2D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D79

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D79	#FFFFFF	#000000	##FFFFFF
##1C2D79	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397C

Deuteranopia (green-blind)

#003078

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2d79;
/* rgb */ color: rgb(28, 45, 121);
/* oklch */ color: oklch(33.6% 0.131 268.6);

Tailwind

colors: {
  custom: {
    50: '#6765a0',
    500: '#1c2d79',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d79;
$custom-light: #6765a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d79",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 121
  },
  "hsl": {
    "h": 229.032,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33572,
    "c": 0.13097,
    "h": 268.6
  },
  "luminance": 0.03504
}

Semantic roles & 50–950 ramp

primary

#1C2D79

secondary

#AD9A44

accent

#C842E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #1C2D79

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →